US2686155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing a molded solid molybdenum disulfide lubricant member
Assignee: Westinghouse Electric Corp
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Filing: 1950-01-17
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Granted: 1954-08-10
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Expires: 1970-01-17
Abstract
No abstract record available.
Inventors
- 👤 Hilary B Willis
- 👤 Herbert S Hopkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
C; C10; C10M; C10M7/00; C08; C08K; C08K3/00; C08K3/30; C10M2201/00; C10M2201/06; C10M2201/063; C10M2201/065; C10M2201/066; C10M2207/00; C10M2207/02; C10M2207/021; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/129; C10M2209/00; C10M2209/10; C10M2209/101; C10M2209/102; C10M2209/12; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2217/00; C10M2217/04; C10M2217/042; C10M2217/043; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/02; C10N2050/00; C10N2050/08; C10N2050/10; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN THE PROCESS OF PRODUCING MOLDED SOLID LUBRICANT MEMBERS, THE STEPS COMPRISING INTMATELY ADMIXING FROM 79.9 TO 97.5 PARTS BY WEIGHT OF A SOLID LUBRICANT COMPOSED OF FINELY DIVIDED MOLYBDENUM DISULFIDE, FROM 20 TO 0.5 PARTS BY WEIGHT OF A THERMOSETTABLE RESINOUS MOLDING POWDER SELECTED FROM THE GROUP CONSISTING OF UREA-ALDEHYDE RESIN, MELAMINE-ALDEHYDE RESIN, POLYESTER RESIN, AND PHENOL-ALDEHYDE RESIN ADMIXED WITH ONE METHYLENE CONTAINING COMPOUND OF THE GROUP CONSISTING OF PARAFORMALDEHYDE AND HEXAMETHYLENE TETRAMINE, FROM 0.1 TO 2 PARTS BY WEIGHT OF AN ALKALINE STABILIZER SELECTED FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METAL OXIDES, HYDROXIDES, CARBONATES AND ETHOXIDES, AND MOLDING THE MIXTURE UNDER HEAT AND PRESSURE TO CAUSE THE RESINOUS MOLDING POWDER TO REACT TO A THERMOSET RESIN THEREBY PRODUCING THE SOLID MEMBER, THE STABILIZER COOPERATING TO PREVENT DEVELOPMENT TO ACIDITY IN THE SOLID LUBRICANT.
Claim 2
Dependent Claim
137 words
IN THE PROCESS OF PRODUCING MOLDED SOLID LUBRICANT MEMBERS, THE STEPS COMPRISING INTMATELY ADMIXING FROM 79.9 TO 97.5 PARTS BY WEIGHT OF A SOLID LUBRICANT COMPOSED OF FINELY DIVIDED MOLYBDENUM DISULFIDE, FROM 20 TO 0.5 PARTS BY WEIGHT OF A THERMOSETTABLE RESINOUS MOLDING POWDER SELECTED FROM THE GROUP CONSISTING OF UREA-ALDEHYDE RESIN, MELAMINE-ALDEHYDE RESIN, POLYESTER RESIN, AND PHENOL-ALDEHYDE RESIN ADMIXED WITH ONE METHYLENE CONTAINING COMPOUND OF THE GROUP CONSISTING OF PARAFORMALDEHYDE AND HEXAMETHYLENE TETRAMINE, FROM 0.1 TO 2 PARTS BY WEIGHT OF AN ALKALINE STABILIZER SELECTED FROM THE GROUP CONSISTING OF THE ALKALINE EARTH METAL OXIDES, HYDROXIDES, CARBONATES AND ETHOXIDES, AND MOLDING THE MIXTURE UNDER HEAT AND PRESSURE TO CAUSE THE RESINOUS MOLDING POWDER TO REACT TO A THERMOSET RESIN THEREBY PRODUCING THE SOLID MEMBER, THE STABILIZER COOPERATING TO PREVENT DEVELOPMENT TO ACIDITY IN THE SOLID LUBRICANT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |